package Meituan;

import java.util.HashMap;
import java.util.Map;

/**
 * @author: leiwenkang02@meituan.com
 * @date: 2018/5/17
 * @time: 19:18
 */
public class Test06 {
    public static void main(String[] args) {
        Map<Integer, Integer> map = new HashMap<>();
        int a = map.get(1);
        System.out.println(a);

    }
}
